GaAs Circuits For Monolithic Optical Controller

G Gustafson; M Bendett; J Carney; R Mactaggart; S Palmquist; F Schmit; K Tan; W Walters

doi:10.1117/12.944183

12 April 1988 GaAs Circuits For Monolithic Optical Controller

G Gustafson, M Bendett, J Carney, R Mactaggart, S Palmquist, F Schmit, K Tan, W Walters

Proceedings Volume 0886, Optoelectronic Signal Processing for Phased-Array Antennas; (1988) https://doi.org/10.1117/12.944183
Event: 1988 Los Angeles Symposium: O-E/LASE '88, 1988, Los Angeles, CA, United States

Abstract

GaAs circuits for use in a fully monolithic 1 Gb/s optical controller have been developed and tested. The circuits include photodetectors, transimpedence amplifiers and 1:16 demultiplexers that can directly control the phase of MMIC phase shifters. The entire chip contains approximately 300 self-aligned gate E/D-mode MESFETs. The MESFETs have one micron-wide gate and the E-mode FETs typically have transconductance of 200 ms/mm. Results of simulations and tests are reported. Also, the design and layout of the fully monolithic chip is discussed.

Citation Download Citation

G Gustafson, M Bendett, J Carney, R Mactaggart, S Palmquist, F Schmit, K Tan, and W Walters "GaAs Circuits For Monolithic Optical Controller", Proc. SPIE 0886, Optoelectronic Signal Processing for Phased-Array Antennas, (12 April 1988); https://doi.org/10.1117/12.944183

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